Use Elasticsearch cat nodes API to understand the state of your Elasticsearch: id, name, IP address, CPU, load, memory, and much more.
Create your own cheatsheets in Bash.
Capture SLF4J + Logback logging events and test them in unit tests using ListAppender.
Elasticsearch Scroll API sample written in Java, useful for retrieving large numbers of results (or even all results) from a single search request.
Unit testing Akka actor with "TestActorRef", which gives you access to underlying actor instance and runs the logic synchronously in a single-threaded environment.
My Java and DevOps journey at Nuxeo and Datadog in 2019 as a software engineer. Also, my contributions to open-source project VAVR and technical blogging in my free time.
How to set up additional source directory (src/it/java) and resource directory (src/it/resources) for integration tests in Maven project using Build Helper Maven Plugin.
Three ways to create ArgumentCaptor in unit tests (Mockito JUnit Runner, annotations, or factory method) and its different usage.
169 post articles, 22 pages.